1 files changed, 15 insertions, 0 deletions
diff --git a/src/tests/bitmap.rs b/src/tests/bitmap.rs
index 9b21b6f..1a43f09 100644
--- a/src/tests/bitmap.rs
+++ b/src/tests/bitmap.rs
@@ -1,4 +1,5 @@
 use crate::tests::common;
+use indexmap::IndexMap;
 
 #[test]
 fn test_allocate() {
@@ -21,3 +22,17 @@ fn test_query() {
     assert_eq!(fs.data_bitmap.query(5), true);
     assert_eq!(fs.data_bitmap.query(11), false);
 }
+
+#[test]
+fn test_index_map() {
+    let mut map: IndexMap<i32, i32> = IndexMap::new();
+    map.insert(1, 2);
+    map.insert(2, 3);
+    map.insert(3, 4);
+    map.insert(4, 5);
+    map.remove(&3);
+
+    for (entry_index, (key, value)) in map.iter().enumerate() {
+        println!("index {}, key {}, value {}", entry_index, key, value);
+    }
+}